Cheap flights from Portland to Philadelphia (PDX - PHL) from $80
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — PHL
May 13 — May 201
From?
To?
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
The best prices from Portland to Philadelphia are usually found in October or January, booked 83 days in advance, depart on a Monday or Wednesday and return on a Saturday
Cheap flight deals from Portland to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 8, 2024.
Popular in | June |
|---|---|
Cheapest in | October |
Round-trip from | $224 |
One-way from | $112 |
What is the cheapest day to fly round-trip from Portland to Philadelphia?
Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 21% on your flight compared to booking on days when demand is much higher.
What is the cheapest month to fly from Portland to Philadelphia?
October can be a great time to fly to Philadelphia from Portland with a flight ticket averaging about $487. Cheapflights users have found deals in the month of October for as cheap as $168. The most expensive prices can be found in the month of June.
When is the cheapest time to fly from Portland to Philadelphia (PDX - PHL)?
When flying from Portland to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 22% versus a flight in the morning.
Cheap Spirit Airlines flights from Portland to Philadelphia
Explore cheap flight options specifically provided by Spirit Airlines for the route between Portland and Philadelphia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Take a peek at the cheapest Spirit Airlines flights we've detected traveling from Portland to Philadelphia. Make sure to double check the flight details before booking.
Tue 5/211:17 pmPDX - PHL
2 stops23h 00mSpirit Airlines
Tue 5/287:43 pmPHL - PDX
2 stops29h 47mSpirit Airlines
Deal found 5/7$159
Tue 5/215:20 amPDX - PHL
3 stops24h 40mSpirit Airlines
Tue 5/287:43 pmPHL - PDX
2 stops29h 47mSpirit Airlines
Deal found 5/7$164
Tue 5/211:17 pmPDX - PHL
2 stops16h 43mSpirit Airlines
Tue 5/287:43 pmPHL - PDX
2 stops19h 32mSpirit Airlines
Deal found 5/7$169
Wed 5/2912:00 pmPDX - PHL
1 stop15h 30mSpirit Airlines
Tue 6/47:43 pmPHL - PDX
2 stops30h 10mSpirit Airlines
Deal found 5/7$171
Tue 5/215:20 amPDX - PHL
3 stops24h 40mSpirit Airlines
Tue 5/287:43 pmPHL - PDX
2 stops19h 32mSpirit Airlines
Deal found 5/7$175
Wed 5/2912:00 pmPDX - PHL
1 stop15h 30mSpirit Airlines
Tue 6/42:05 pmPHL - PDX
1 stop9h 21mSpirit Airlines
Deal found 5/7$180
Wed 6/55:20 amPDX - PHL
1 stop22h 18mSpirit Airlines
Tue 6/117:46 pmPHL - PDX
2 stops20h 23mSpirit Airlines
Deal found 5/7$183
Tue 5/215:20 amPDX - PHL
3 stops24h 40mSpirit Airlines
Tue 5/282:15 pmPHL - PDX
3 stops25h 00mSpirit Airlines
Deal found 5/7$190
Thu 5/301:05 pmPDX - PHL
2 stops31h 05mSpirit Airlines
Tue 6/47:43 pmPHL - PDX
2 stops30h 10mSpirit Airlines
Deal found 5/6$191
Cheap Frontier flights from Portland to Philadelphia
Explore cheap flight options specifically provided by Frontier for the route between Portland and Philadelphia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Have a look at some of the cheapest available Frontier flights departing from Portland and landing in Philadelphia. Deals are refreshing constantly so come back soon for more options.
Tue 6/412:49 amPDX - PHL
1 stop8h 19mFrontier
Tue 6/118:30 pmPHL - PDX
1 stop13h 20mFrontier
Deal found 5/7$174
Mon 5/2012:43 amPDX - PHL
1 stop8h 27mFrontier
Tue 5/288:27 pmPHL - PDX
1 stop30h 16mFrontier
Deal found 5/7$178
Mon 5/2012:43 amPDX - PHL
1 stop8h 27mFrontier
Tue 5/288:27 pmPHL - PDX
1 stop30h 16mFrontier
Deal found 5/7$179
Fri 5/3112:48 amPDX - PHL
1 stop8h 22mFrontier
Thu 6/138:30 pmPHL - PDX
1 stop13h 15mFrontier
Deal found 5/7$185
Tue 5/2812:48 amPDX - PHL
1 stop8h 22mFrontier
Tue 6/46:44 pmPHL - PDX
2 stops23h 23mFrontier
Deal found 5/7$189
Tue 6/412:49 amPDX - PHL
1 stop8h 19mFrontier
Mon 6/108:30 pmPHL - PDX
1 stop13h 20mFrontier
Deal found 5/7$194
Fri 5/3112:48 amPDX - PHL
1 stop8h 22mFrontier
Thu 6/68:30 pmPHL - PDX
1 stop13h 15mFrontier
Deal found 5/7$197
Tue 6/412:25 pmPDX - PHL
2 stops26h 14mFrontier
Sat 6/88:50 amPHL - PDX
2 stops11h 19mFrontier
Deal found 5/7$200
Thu 6/64:40 pmPDX - PHL
1 stop10h 58mFrontier
Sat 6/158:24 amPHL - PDX
1 stop16h 18mFrontier
Deal found 5/7$220
Cheap Portland to Philadelphia flights in May & June 2024
Find cheap flight options from Portland to Philadelphia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 8, 2024.
Check out some of the best flight deals from Portland to Philadelphia in 2024. Check back soon for alternative fares.
Sat 6/2912:59 amPDX - PHL
1 stop25h 37mFrontier
Mon 7/81:19 pmPHL - PDX
1 stop13h 21mFrontier
Deal found 5/7$275
Sat 5/1112:59 amPDX - PHL
1 stop25h 36mFrontier
Wed 5/158:40 pmPHL - PDX
1 stop13h 08mFrontier
Deal found 5/7$276
Tue 6/182:00 pmPDX - PHL
2 stops24h 16mSpirit Airlines
Sun 6/237:46 pmPHL - PDX
2 stops20h 23mSpirit Airlines
Deal found 5/7$277
Wed 5/221:05 pmPDX - PHL
2 stops16h 55mSpirit Airlines
Fri 5/246:02 pmPHL - PDX
3 stops21h 13mSpirit Airlines
Deal found 5/7$278
Mon 5/131:05 pmPDX - PHL
2 stops21h 00mSpirit Airlines
Tue 5/148:03 pmPHL - PDX
2 stops19h 12mSpirit Airlines
Deal found 5/7$281
Sun 6/93:40 pmPDX - PHL
3 stops28h 22mMultiple Airlines
Thu 6/1312:00 pmPHL - PDX
1 stop13h 56mMultiple Airlines
Deal found 5/7$282
Tue 5/1412:59 amPDX - PHL
1 stop25h 25mMultiple Airlines
Thu 5/1612:15 pmPHL - PDX
1 stop7h 20mMultiple Airlines
Deal found 5/7$283
Sun 6/1611:59 pmPDX - PHL
1 stop8h 28mSun Country Air
Sat 6/2211:20 amPHL - PDX
1 stop12h 35mSun Country Air
Deal found 5/7$284
Fri 5/2411:59 pmPDX - PHL
1 stop8h 07mSun Country Air
Mon 5/2712:00 pmPHL - PDX
1 stop7h 50mSun Country Air
Deal found 5/7$285
Portland to Philadelphia 2024 flight deals
Discover exclusive flight deals for travel between Portland and Philadelphia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Check out some of the best flight deals from Portland to Philadelphia in 2024. Check back soon for alternative fares.
Sat 6/2912:59 amPDX - PHL
1 stop25h 37mFrontier
Mon 7/81:19 pmPHL - PDX
1 stop13h 21mFrontier
Deal found 5/7$275
Sat 5/1112:59 amPDX - PHL
1 stop25h 36mFrontier
Wed 5/158:40 pmPHL - PDX
1 stop13h 08mFrontier
Deal found 5/7$276
Tue 6/182:00 pmPDX - PHL
2 stops24h 16mSpirit Airlines
Sun 6/237:46 pmPHL - PDX
2 stops20h 23mSpirit Airlines
Deal found 5/7$277
Wed 5/221:05 pmPDX - PHL
2 stops16h 55mSpirit Airlines
Fri 5/246:02 pmPHL - PDX
3 stops21h 13mSpirit Airlines
Deal found 5/7$278
Tue 7/26:00 pmPDX - PHL
1 stop13h 23mMultiple Airlines
Mon 7/81:19 pmPHL - PDX
1 stop13h 21mMultiple Airlines
Deal found 5/7$280
Tue 7/26:00 pmPDX - PHL
1 stop13h 23mMultiple Airlines
Sun 7/78:34 pmPHL - PDX
1 stop30h 06mMultiple Airlines
Deal found 5/7$281
Mon 7/112:49 amPDX - PHL
1 stop12h 56mFrontier
Mon 7/88:34 pmPHL - PDX
1 stop13h 36mFrontier
Deal found 5/7$282
Thu 7/1112:48 amPDX - PHL
1 stop25h 49mFrontier
Wed 7/178:34 pmPHL - PDX
1 stop14h 45mFrontier
Deal found 5/7$283
Sun 6/1611:59 pmPDX - PHL
1 stop8h 28mSun Country Air
Sat 6/2211:20 amPHL - PDX
1 stop12h 35mSun Country Air
Deal found 5/7$284
Non-stop flights to Philadelphia from Portland
Discover non-stop flight options from Portland to Philadelphia. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Portland to Philadelphia. Select from other flights from Portland to Philadelphia by using the search form above.
Tue 7/211:23 pmPDX - PHL
Nonstop5h 09mAmerican Airlines
Tue 7/96:59 pmPHL - PDX
Nonstop6h 01mAmerican Airlines
Deal found 5/7$329
Thu 8/2210:55 pmPDX - PHL
Nonstop5h 00mAmerican Airlines
Wed 8/286:54 pmPHL - PDX
Nonstop6h 00mAmerican Airlines
Deal found 5/8$349
Sat 8/311:00 pmPDX - PHL
Nonstop5h 00mAmerican Airlines
Mon 8/56:59 pmPHL - PDX
Nonstop6h 01mAmerican Airlines
Deal found 5/8$360
Tue 6/2511:23 pmPDX - PHL
Nonstop5h 09mAmerican Airlines
Tue 7/26:59 pmPHL - PDX
Nonstop6h 02mAmerican Airlines
Deal found 5/7$367
Fri 9/206:00 amPDX - PHL
Nonstop5h 00mAmerican Airlines
Mon 9/306:53 pmPHL - PDX
Nonstop6h 03mAmerican Airlines
Deal found 5/7$369
Thu 8/111:00 pmPDX - PHL
Nonstop5h 00mAmerican Airlines
Mon 8/56:59 pmPHL - PDX
Nonstop6h 01mAmerican Airlines
Deal found 5/7$375
Tue 6/2511:23 pmPDX - PHL
Nonstop5h 09mAmerican Airlines
Sun 7/146:59 pmPHL - PDX
Nonstop6h 01mAmerican Airlines
Deal found 5/7$377
Sat 9/216:00 amPDX - PHL
Nonstop5h 00mAmerican Airlines
Mon 9/306:53 pmPHL - PDX
Nonstop6h 03mAmerican Airlines
Deal found 5/7$387
Sat 8/2410:55 pmPDX - PHL
Nonstop5h 00mAmerican Airlines
Thu 8/296:54 pmPHL - PDX
Nonstop6h 00mAmerican Airlines
Deal found 5/7$390
Portland to Philadelphia flights leaving soon
Find last-minute flight options from Portland to Philadelphia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Have a look at some of the last-minute flights available departing from Portland to Philadelphia. It's wise to confirm all flight details are correct before booking.
Thu 5/167:48 amPDX - PHL
1 stop18h 36mFrontier
Sat 5/187:24 amPHL - PDX
2 stops10h 46mFrontier
Deal found 5/7$276
Mon 5/131:05 pmPDX - PHL
2 stops21h 00mSpirit Airlines
Tue 5/148:03 pmPHL - PDX
2 stops19h 12mSpirit Airlines
Deal found 5/7$281
Tue 5/1412:59 amPDX - PHL
1 stop25h 25mMultiple Airlines
Thu 5/1612:15 pmPHL - PDX
1 stop7h 20mMultiple Airlines
Deal found 5/7$283
Thu 5/167:48 amPDX - PHL
1 stop25h 22mFrontier
Fri 5/178:27 pmPHL - PDX
1 stop30h 16mFrontier
Deal found 5/7$302
Fri 5/171:05 pmPDX - PHL
2 stops16h 55mSpirit Airlines
Mon 5/208:59 pmPHL - PDX
2 stops21h 08mSpirit Airlines
Deal found 5/7$303
Tue 5/143:57 pmPDX - PHL
1 stop10h 35mSpirit Airlines
Wed 5/157:58 amPHL - PDX
3 stops17h 32mSpirit Airlines
Deal found 5/7$306
Tue 5/1412:59 amPDX - PHL
1 stop25h 25mFrontier
Wed 5/228:24 amPHL - PDX
2 stops13h 56mFrontier
Deal found 5/7$307
Wed 5/1512:48 amPDX - PHL
1 stop8h 56mFrontier
Fri 5/171:15 pmPHL - PDX
1 stop13h 28mFrontier
Deal found 5/7$314
Thu 5/165:35 pmPDX - PHL
2 stops22h 05mMultiple Airlines
Wed 5/225:10 amPHL - PDX
2 stops20h 20mMultiple Airlines
Deal found 5/7$315
One-way flights to Philadelphia from Portland
Search for one-way flight options from Portland to Philadelphia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Take a look at some of the one-way flights we've detected from Portland to Philadelphia. For those needing a return trip from Portland, there is a search form available above.
Tue 5/211:17 pmPDX - PHL
2 stops16h 43mSpirit Airlines
Deal found 5/7$80
Mon 6/31:05 pmPDX - PHL
2 stops22h 56mSpirit Airlines
Deal found 5/7$82
Tue 6/41:17 pmPDX - PHL
2 stops16h 43mSpirit Airlines
Deal found 5/7$83
Mon 6/35:20 pmPDX - PHL
1 stop14h 41mSun Country Air
Deal found 5/7$84
Mon 6/2411:59 pmPDX - PHL
1 stop7h 44mSun Country Air
Deal found 5/7$86
Mon 5/2012:43 amPDX - PHL
1 stop8h 27mFrontier
Deal found 5/7$87
Wed 6/55:20 amPDX - PHL
2 stops16h 15mSpirit Airlines
Deal found 5/7$88
Mon 5/2712:36 amPDX - PHL
1 stop8h 34mFrontier
Deal found 5/7$90
Tue 5/216:33 pmPDX - PHL
1 stop12h 02mFrontier
Deal found 5/7$93
Find flights from Portland to Philadelphia within your budget
Customize your flight search to find flights from Portland to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$159 - $331
Route
Depart
Return
Price
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Tue 5/21
2 stops23h 00m
Philadelphia
Tue 5/28
2 stops29h 47m
$159
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Tue 5/21
3 stops24h 40m
Philadelphia
Tue 5/28
2 stops29h 47m
$164
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Tue 5/21
2 stops16h 43m
Philadelphia
Tue 5/28
2 stops19h 32m
$169
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Tue 6/4
1 stop8h 19m
Philadelphia
Tue 6/11
1 stop13h 20m
$174
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Mon 5/20
1 stop8h 27m
Philadelphia
Tue 5/28
1 stop30h 16m
$178
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Tue 5/28
1 stop8h 22m
Philadelphia
Tue 6/4
1 stop9h 21m
$186
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Wed 5/29
2 stops16h 55m
Philadelphia
Tue 6/4
2 stops26h 02m
$188
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Tue 6/18
1 stop13h 28m
Philadelphia
Tue 6/25
1 stop8h 21m
$202
PortlandPhiladelphia
PDX - PHL
PDXPHL
Portland
Mon 7/1
1 stop12h 42m
Philadelphia
Tue 7/9
Nonstop6h 01m
$331
When is the best time to book a flight from Portland to Philadelphia?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Philadelphia. Price data was last updated on May 3, 2024.
The price you pay for your flight from Portland to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
When is the cheapest time to fly from Portland to Philadelphia?
Use this chart to determine the cheapest time to fly round-trip from Portland to Philadelphia. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Philadelphia flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Average price of flights to Philadelphia by month
Plan your trip from Portland to Philadelphia by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Philadelphia is currently $86 while a round-trip flight costs $195. Price data was last updated on May 5, 2024.
Currently, October is the cheapest month in which you can book a flight from Portland to Philadelphia (average of $224). Flying from Portland to Philadelphia in July is currently the most expensive (average of $309). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
$258
February
$258
March
$281
April
$268
May
$268
June
$298
July
$309
August
$258
September
$246
October
$224
November
$268
December
$253
Temperature and rainfall in Philadelphia by month
Plan your trip to Philadelphia by taking into account the average temperature and rainfall totals by month.
PHL Temperature | 33.8 - 78.8 °F |
|---|
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated May 8, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, Frontier and Sun Country Air from Portland to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
6,075 reviews
Overall
8.2
Entertainment
7.8
Food
7.3
Comfort
8.1
Crew
8.7
Boarding
8.3
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Southwest
6,075 reviews
Southwest
6,075 reviews
Overall
8.2
Entertainment
7.8
Food
7.3
Comfort
8.1
Crew
8.7
Boarding
8.3
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
10,810 reviews
Southwest
6,075 reviews
Overall
8.2
Entertainment
7.8
Food
7.3
Comfort
8.1
Crew
8.7
Boarding
8.3
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
11,073 reviews
Southwest
6,075 reviews
Overall
8.2
Entertainment
7.8
Food
7.3
Comfort
8.1
Crew
8.7
Boarding
8.3
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
14,686 reviews
Southwest
6,075 reviews
Overall
8.2
Entertainment
7.8
Food
7.3
Comfort
8.1
Crew
8.7
Boarding
8.3
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
640 reviews
Southwest
6,075 reviews
Overall
8.2
Entertainment
7.8
Food
7.3
Comfort
8.1
Crew
8.7
Boarding
8.3
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Related info for your journey
Find useful and relevant information for your journey from Portland to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Portland to PhiladelphiaSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Portland to Philadelphia
Discover the top 7 airlines that operate flights from Portland to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Search flights from Portland to Philadelphia by cabin class
Find flights from Portland to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Portland to Philadelphia?
Cheapflights helps you search for flights from Portland to Philadelphia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Portland to Philadelphia?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Philadelphia for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Portland to Philadelphia with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Philadelphia, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Portland to Philadelphia become cheaper?
Yes! Start tracking prices for Portland to Philadelphia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.